Home / 30,263.92-45,400.14-10,539.62

Finding the Fourth Proportional to 30,263.92, 45,400.14 and 10,539.62

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Solution

The fourth proportional to 30,263.92, 45,400.14 and 10,539.62 is: 15,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.92 : 45,400.14 = 10,539.62 : x
  2. Step 2: Convert to fraction form
    30,263.92/45,400.14 = 10,539.62/x
  3. Step 3: Cross multiply
    30,263.92x = 45,400.14 × 10,539.62
  4. Step 4: Simplify right side
    30,263.92x = 478,500,223.55
  5. Step 5: Solve for x
    x = 478,500,223.55/30,263.92
  6. Step 6: Final answer
    x = 15,810.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.